Final answer:
To calculate the registration fee of 0.8% for a used car with a sale price of $5,800, multiply the sale price by 0.008 to get $46.40.
Step-by-step explanation:
The registration fee for a used car, which is 0.8% of the sale price, can be calculated by multiplying the sale price by the percentage rate (expressed as a decimal). In this case, the sale price is $5,800, and the rate is 0.8%, or 0.008 when converted to a decimal. To find the fee, we use the following calculation:
Sale Price x Registration Rate = Registration Fee
$5,800 x 0.008 = $46.40
Therefore, the registration fee for the used car is $46.40.